Mathematics, 26.04.2021 02:30, onlymyworld27

En un examen tipo test de 30 preguntas se obtienen 0.75 puntos por cada respuesta correcta y se
restan 0.25 por cada error. Si un alumno ha sacado
10.5 puntos. ¿Cuántos aciertos y cuántos errores
ha cometido?

Answers: 1

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En un examen tipo test de 30 preguntas se obtienen 0.75 puntos por cada respuesta correcta y se